Besides the obvious answer that theyâre different colours, whether or not you need to use red or blue ink will depend on the type and age of your machine.
Specialties: Western Provident Association, WPA is a not-for-profit private medical insurance company specialising in private health insurance and dental insurance policies that are tailored for individuals and companies. Offering the freedom toâ¦
Western Digital. Western Digital Corporation (commonly referred to as Western Digital and often abbreviated as WDC or WD) is an American computer data storage company and one of the largest computer hard disk drive manufacturers in the world, along with its main competitor Seagate Technology.[4]